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NFPA
& HMIS Label Colors schemes are same:
National Fire Protection
Association, Hazardous Materials Information System)
- Red - Fire Hazard
- Blue - Health Hazard
- Yellow - Reactivity Hazard - explosive,
unstable
- White - Special Hazards - corrosive,
radioactive, water reactive, acid
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The numbering is the same too. HIGHER number =
WORSE hazard
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flammability:
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4: very flammable
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1: combustible
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3: readily ignited
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0: will not burn
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2: ignited w/ heat
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health
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4: deadly
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3: extreme danger
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2: hazardous
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1: slightly
hazardous
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0: normal
materials
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NFPA 704
label
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HMIS
label
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reactivity:
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4: may detonate
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3: shock or heat may detonate
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2: violent chemical change
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1:unstable if heated
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0: stable
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NFPA
Special
Symbols:
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OXY = oxidizer
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ACID = acid
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ALK = alkali
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COR = corrosive
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W = keep away from water
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HMIS
PPE symbols:
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A = Safety glasses
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B = Safety glasses, gloves
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C = Safety glasses, gloves,
chemical apron
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D = Face shield, gloves,
chemical apron
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E = Safety glasses, gloves,
dust respirator
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F = safety glasses, gloves,
chemical apron, dust respirator
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G = Safety glasses, gloves,
vapor respirator
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H = Splash goggles, gloves,
chemical apron, vapor respirator
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I = Safety glasses, gloves,
dust and vapor respirator
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J = Splash goggles, gloves,
chemical apron, dust and vapor respirator
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K = Air
line hood or mask, gloves, full chemical suit, boots
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X = Ask Supervisor
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Note: before using any
respirator contact EH&S for assistance.
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